﻿
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<!-- saved from url=(0014)about:internet -->
<html xmlns:msxsl="urn:schemas-microsoft-com:xslt" xmlns:mssdk="winsdk" xmlns:script="urn:script" xmlns:build="urn:build" xmlns:MSHelp="http://msdn.microsoft.com/mshelp">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<meta name="Description" content="The ExtRemoteData class provides a wrapper around a small section of a target's memory. ExtRemoteData automatically retrieves the memory and provides a number of convenience methods."/>
<meta name="MSHAttr" content="PreferredSiteName:MSDN"/>
<meta name="MSHAttr" content="PreferredLib:/library/windows/hardware"/>
<title>ExtRemoteData</title>

<meta name="MS-HAID" content="EngExtCpp_Ref_e84c03ce-1156-481b-a429-f0a918797565.xml"/>


<link rel="STYLESHEET" type="text/css" HREF="../common/backsdk4.css"/>





<style>
html,div { margin: 0; padding: 0;}

body {
	padding: 0px;
	margin: 0px;
	overflow: auto;
	height: 100%;
}

#winchm_template_button{
	float: right;
	width: 93px;
	top: 7px;
	position: relative;
	text-align: right;
	right: 5px;
	height: auto;
}

#winchm_template_top{
	padding: 0px;
	margin: 0px;
	border-bottom: 1px solid #9B9B9B;
	background-color: #B1CEFE;
}

#winchm_template_navigation{
	margin: 0px;
	padding-top: 7px;
	padding-left: 7px;
	padding-bottom: 3px;
	padding-right: 0px;
	font-size: 8.5pt;
	font-family: Arial, Helvetica, sans-serif;
	font-weight: normal;
	color: #585858;
}

#winchm_template_title{
	margin: 0px;
	padding-top: 4px;
	padding-left: 7px;
	padding-bottom: 7px;
	padding-right: 0px;
	font-size: 18px; 
	font-family: Verdana, Geneva, sans-serif;
	color: #363636;
}

#winchm_template_content{
	margin-top: 20px;
	margin-left: 15px;
	margin-bottom: 20px;
	margin-right: 15px;
	width: auto  !important;
	width: 100%;
}

#winchm_template_footer{
	border-width: 1px;
	border-color: #B1CEFE;
	border-top-style: solid;
	margin-top: 15px;
	margin-left: 15px;
	margin-bottom: 20px;
	margin-right: 15px;
	padding-top: 7px;
	padding-left: 0px;
	padding-bottom: 0px;
	padding-right: 0px;
	font-family: arial, helvetica, sans-serif;
	font-size: 8.5pt;
	color: #696969;
	width: auto;
	text-align: left;
}


#winchm_template_container{
	margin: 0px;
	padding: 0px;
	position: static;
	padding-bottom: 3px;
	overflow: auto;
	background-color: #FFFFFF;
}


@media print
{
#winchm_template_container{
	position: static;	
	margin: 0px;
	padding: 5px;
	
	width: auto;
	height: auto;
	overflow: auto;
}
#winchm_template_button{
visibility:hidden;
}
}

#winchm_template_navigation A:link	{text-decoration: none; color:#004080}
#winchm_template_navigation A:visited  {text-decoration: none; color: #004080}
#winchm_template_navigation A:active {text-decoration: none; color: #004080 }
#winchm_template_navigation A:hover {text-decoration: none;color: #0080FF}

A:link	{text-decoration: underline; color:#0033CC}
A:visited  {text-decoration: underline; color: #0033CC}
A:active {text-decoration: underline; color: #0033CC }
A:hover {text-decoration: underline;color: #FF0000;}
</style>
<script type="text/javascript">
function isMobile(){
Agent = window.navigator.userAgent;
if (Agent.indexOf("iPhone")>=1 || Agent.indexOf("iPad")>=1 || Agent.indexOf("iPod")>=1 || Agent.indexOf("Android")>=1){
return true;
}else{
return false;	
}

}
function d_onresize(){
if (window.navigator.userAgent.indexOf("MSIE")>=1){
document.getElementById('winchm_template_container').style.pixelWidth = document.body.offsetWidth - 3;
document.getElementById('winchm_template_container').style.pixelHeight = document.body.offsetHeight - document.getElementById('winchm_template_top').offsetHeight - 4;
}
document.getElementById('winchm_template_container').style.top = document.getElementById('winchm_template_top').offsetHeight + 'px';
}

function d_onbeforeprint(){
document.getElementById('winchm_template_container').style.width = 'auto';
document.getElementById('winchm_template_container').style.height = 'auto';
}

function d_onafterprint(){
d_onresize();
}

if(!isMobile()){

window.onload = d_onresize;
window.onresize = d_onresize;
window.onbeforeprint = d_onbeforeprint;
window.onafterprint = d_onafterprint;

document.write("<style>\n");
document.write("body {overflow: hidden;}\n");
document.write("#winchm_template_container {position: absolute;overflow: auto;top : 0px;right: 0px;bottom: 0px;left: 0px;}\n");
document.write("</style>\n");
}

</script>
</head>
<body><script language="JavaScript" type="text/JavaScript">
function syn(){
if(parent.nav.tree){
 if(parent.nav.tree.loaded){
  parent.nav.tree.selectNode(964);
 }else{
  setTimeout("syn()",500);
}
  }else{
  setTimeout("syn()",500);
  }}
if(parent!=self){
  setTimeout("syn()",100);
}else{
  parent.location.href = "../../index.htm?page=debugger/extremotedata.htm";
}
originalOnload = window.onload;
if(originalOnload==null){
window.onload = function(){parent.contentLoaded = true;};
}else{
window.onload = function(){originalOnload();parent.contentLoaded = true;};
}
</script> 


<div id="winchm_template_top">
	<div id="winchm_template_button"><A href="extknownstructmethod.htm" title="Previous topic"><img id="winchm_template_prev" alt="Previous topic" src="../template2/btn_prev_n.gif" border="0"></a><A href="extremotedata_extremotedata.htm" title="Next topic"><img id="winchm_template_next" alt="Next topic" src="../template2/btn_next_n.gif" border="0"></a></div>
	<div id="winchm_template_navigation">Help &gt; 
<A href="introduction6.htm">Debugging Tools for Windows (WinDbg, KD, CDB, NTSD)</A> &gt; <A href="debugging_resources.htm">Debugging Resources</A> &gt; <A href="debugger_engine_and_extension_apis.htm">Debugger Engine and Extension APIs</A> &gt; <A href="engextcpp_extensions.htm">EngExtCpp Extensions</A> &gt; <A href="engextcpp_extension_reference.htm">EngExtCpp Extension Reference</A> &gt; </div>
	<div id="winchm_template_title">ExtRemoteData</div>
</div>
<div id="winchm_template_container">
	<div id="winchm_template_content"><div id="mainSection"><p>The <b>ExtRemoteData</b> class provides a wrapper around a small section of a target's memory.  <b>ExtRemoteData</b> automatically retrieves the memory and provides a number of convenience methods.</p>
<p>The <b>ExtRemoteData</b> class includes the following constructors and methods:</p>
<dl>
<dd>
<p><a href="#Bookmark965"><b>ExtRemoteData</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark969"><b>Set(Typed)</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark968"><b>Set(Offset Bytes)</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark970"><b>Read</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark971"><b>Write</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark972"><b>GetData</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark973"><b>GetChar</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark974"><b>GetUchar</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark975"><b>GetBoolean</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark976"><b>GetStdBool</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark977"><b>GetW32Bool</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark978"><b>GetShort</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark979"><b>GetUshort</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark980"><b>GetLong</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark981"><b>GetUlong</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark982"><b>GetLong64</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark983"><b>GetUlong64</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark984"><b>GetFloat</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark985"><b>GetDouble</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark986"><b>GetLongPtr</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark987"><b>GetUlongPtr</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark988"><b>GetPtr</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark989"><b>ReadBuffer</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark990"><b>WriteBuffer</b></a></p>
</dd>
<dd>
<p><a href="#Bookmark991"><b>GetString</b></a></p>
</dd>
</dl>
<pre class="syntax" xml:space="preserve"><code>class ExtRemoteData
{
public:
    PCSTR  m_Name;
    ULONG64  m_Offset;
    bool  m_ValidOffset;
    ULONG  m_Bytes;
    ULONG64  m_Data;
    bool  m_ValidData;
    bool  m_Physical;
    ULONG  m_SpaceFlags;
};</code></pre>
<p></p>
<dl>
<dt><a id="m_Name"></a><a id="m_name"></a><a id="M_NAME"></a><b>m_Name</b></dt>
<dd>
<p>The name given to this instance of <b>ExtRemoteData</b>.  This name is used to provide meaningful error messages and is set by the constructor, <a href="#Bookmark965"><b>ExtRemoteData::ExtRemoteData</b></a>.</p>
</dd>
<dt><a id="m_Offset"></a><a id="m_offset"></a><a id="M_OFFSET"></a><b>m_Offset</b></dt>
<dd>
<p>The location in the target's memory (virtual or physical) of the region of memory represented by this instance of <b>ExtRemoteData</b>.  It can be set by the <a href="#Bookmark965"><b>ExtRemoteData::ExtRemoteData</b></a> constructor or by the <a href="#Bookmark969"><b>ExtRemoteData::Set(Typed)</b></a> or <a href="#Bookmark968"><b>ExtRemoteData::Set(Offset Bytes)</b></a> methods.</p>
</dd>
<dt><a id="m_ValidOffset"></a><a id="m_validoffset"></a><a id="M_VALIDOFFSET"></a><b>m_ValidOffset</b></dt>
<dd>
<p>Indicates whether the <b>m_Offset</b>location is valid.  If <b>m_ValidOffset</b> is <code>false</code>, the location is not valid and most of the methods for this object will not work. In this case, the <a href="#Bookmark969"><b>ExtRemoteData::Set(Typed)</b></a> or <a href="#Bookmark968"><b>ExtRemoteData::Set(Offset Bytes)</b></a> methods can be called to change <b>m_Offset</b> to a valid location.</p>
</dd>
<dt><a id="m_Bytes"></a><a id="m_bytes"></a><a id="M_BYTES"></a><b>m_Bytes</b></dt>
<dd>
<p>The size, in bytes, of the region of memory represented by this object.  It can be set by the
	  <a href="#Bookmark965"><b>ExtRemoteData::ExtRemoteData</b></a> constructor 
	  or by the <a href="#Bookmark969"><b>ExtRemoteData::Set(Typed)</b></a> or <a href="#Bookmark968"><b>ExtRemoteData::Set(Offset Bytes)</b></a> methods.</p>
</dd>
<dt><a id="m_Data"></a><a id="m_data"></a><a id="M_DATA"></a><b>m_Data</b></dt>
<dd>
<p>The cached contents of the region of memory specified by this instance of <b>ExtRemoteData</b>.  Setting this member is optional. If the region of memory is large, it will not be cached.</p>
</dd>
<dt><a id="m_ValidData"></a><a id="m_validdata"></a><a id="M_VALIDDATA"></a><b>m_ValidData</b></dt>
<dd>
<p>Indicates whether the <b>m_Data </b>cached data is valid.  If <b>m_ValidData</b> is <code>false</code>, the cached data is not valid and most of the methods for this object will not work. In this case, the <a href="#Bookmark970"><b>ExtRemoteData::Read</b></a> method can be called to refresh the cached data.</p>
</dd>
<dt><a id="m_Physical"></a><a id="m_physical"></a><a id="M_PHYSICAL"></a><b>m_Physical</b></dt>
<dd>
<p>Indicates whether the <b>m_Offset</b> location is in the target's virtual address space or in its physical address space.  If <b>m_Physical</b> is <code>true</code>, the <b>m_Offset</b>location is in the target's physical address space.  If <b>m_Physical</b> is  <code>false</code>, the <b>m_Offset</b> location  is in the target's virtual address space.</p>
</dd>
<dt><a id="m_SpaceFlags"></a><a id="m_spaceflags"></a><a id="M_SPACEFLAGS"></a><b>m_SpaceFlags</b></dt>
<dd>
<p>The DEBUG_PHYSICAL_<i>XXX</i> flags used for accessing physical memory on the target.  These flags are only used if <b>m_Physical</b> is <code>true</code>.  For a description of these flags, see the <a href="#Bookmark591"><b>ReadPhysical2</b></a> method.</p>
</dd>
</dl>
<h2>Requirements</h2>
<table>
<tr>
<th width="30%">
<p>Header</p>
</th>
<td width="70%">
<dl>
<dt>Engextcpp.h (include Engextcpp.hpp)</dt>
</dl>
</td>
</tr>
</table>
<h2><a id="see_also"></a>See also</h2>
<dl>
<dt><a href="#Bookmark965"><b>ExtRemoteData::ExtRemoteData</b></a></dt>
<dt><a href="#Bookmark970"><b>ExtRemoteData::Read</b></a></dt>
<dt><a href="#Bookmark969"><b>ExtRemoteData::Set(Typed)</b></a></dt>
<dt><a href="#Bookmark968"><b>ExtRemoteData::Set(Offset Bytes)</b></a></dt>
<dt><a href="#Bookmark591"><b>ReadPhysical2</b></a></dt></dl></div></div>	
	<div id="winchm_template_footer">Copyright &copy; 2019. All rights 
reserved. (To change the copyright info, just edit it in template.)</div>
</div>

</body>
</html>
